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Finding the Fourth Proportional to 53,888.90, 80,833.95 and 23,490.81

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Solution

The fourth proportional to 53,888.90, 80,833.95 and 23,490.81 is: 35,236.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,888.90 : 80,833.95 = 23,490.81 : x
  2. Step 2: Convert to fraction form
    53,888.90/80,833.95 = 23,490.81/x
  3. Step 3: Cross multiply
    53,888.90x = 80,833.95 × 23,490.81
  4. Step 4: Simplify right side
    53,888.90x = 1,898,854,961.00
  5. Step 5: Solve for x
    x = 1,898,854,961.00/53,888.90
  6. Step 6: Final answer
    x = 35,236.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.